Service difficulty report · Support Plate · Boeing 7378H4

Difficulty date
June 23, 2022
Submitted
July 12, 2022
Operation
Air carrier
Aircraft
N8695D
Make and model
Boeing 7378H4
Aircraft serial
35965
Aircraft time
19,972 hours, 9,339 cycles
Part
Support Plate
Condition
Corroded
Location
Aft Cargo Bay
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AFT CARGO BAY R/H FLOOR TO SIDEWALL SUPPORT PLATE HAS AREAS OF CORROSION BS727G TO BS767 RBL21 WL156 / FOUND TO BE OUT OF LIMITS PER SRM 53-00-53-1A-2 USING DIAL DEPTH GAUGE ATS 2678 DUE 04/2023;[02] INSPECTED & VERIFIED CORRECTIVE ACTION ITEM 1.;[03] CUT AND REMOVED DAMAGED R/H ACB FLOOR TO SIDEWALL SUPPORT BS 727F+11 TO BS 767; RBL 21; WL 156 PER SRM 53-00-53-2R-5; STEP 4. B.;[04] BEGAN FABRICATION OF R/H ACB FLOOR TO SIDEWALL SUPPORT AND ALL REPAIR PARTS BS 727F+11 TO BS 767; RBL21; WL 156 FROM BAC1496#7075T62 EXT. CLAD LOT# 1484618-1.;[05] ADDED TO ITEM 4. PER SRM 53-00-53-2R-5;[06] FABRICATED R/H ACB FLOOR TO SIDEWALL SUPPORT AND ALL REPAIR PARTS BS727F+11 TO BS767; RBL21; WL156 PER SRM 53-00-53-2R-5 STEP 4. B. THRU I. OK TO PRIME.;[07] CERTIFIED ACTION 6.;[08] VERIFIED CORRECTIVE ACTIONS STEP 6. OK TO PRIME GIVEN.;[09] PRIMED AND INSTALLED NUTPLATES ON FABRICATED R/H ACB FLOOR TO SIDEWALL SUPPORT AND ALL REPAIR PARTS BS727F+11 TO BS767; RBL21; WL156 PER SRM 53-00-53-2R-5 STEP 4. J. & K. OK TO INSTALL] ADDED DWG 146A7500 TO ITEM 6. FABRICATION.;[13] INSTALLED FABRICATED R/H ACB FLOOR TO SIDEWALL SUPPORT AND ALL REPAIR PARTS BS727F+11 TO BS767; RBL21; WL156 PER DWG 146A7500 AND SRM 53-00-53-2R-5 STEP 4; L THRU N. SPLICE LOCATED AT BS727F+11; RBL21; WL156.

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